web_view_permission_helper_delegate.h revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIWE_PERMISSION_HELPER_DELEGATE_H_
6#define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIWE_PERMISSION_HELPER_DELEGATE_H_
7
8#include "content/public/browser/web_contents.h"
9#include "content/public/browser/web_contents_observer.h"
10#include "content/public/common/media_stream_request.h"
11#include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
12
13namespace extensions {
14
15// A delegate class of WebViewPermissionHelper to request permissions that are
16// not a part of extensions.
17class WebViewPermissionHelperDelegate : public content::WebContentsObserver {
18 public:
19  explicit WebViewPermissionHelperDelegate(
20      WebViewPermissionHelper* web_view_permission_helper);
21  virtual ~WebViewPermissionHelperDelegate();
22
23  virtual void CanDownload(
24      content::RenderViewHost* render_view_host,
25      const GURL& url,
26      const std::string& request_method,
27      const base::Callback<void(bool)>& callback) {}
28
29  virtual void RequestPointerLockPermission(
30      bool user_gesture,
31      bool last_unlocked_by_target,
32      const base::Callback<void(bool)>& callback) {}
33
34  // Requests Geolocation Permission from the embedder.
35  virtual void RequestGeolocationPermission(
36      int bridge_id,
37      const GURL& requesting_frame,
38      bool user_gesture,
39      const base::Callback<void(bool)>& callback) {}
40
41  virtual void CancelGeolocationPermissionRequest(int bridge_id) {}
42
43  virtual void RequestFileSystemPermission(
44      const GURL& url,
45      bool allowed_by_default,
46      const base::Callback<void(bool)>& callback) {}
47
48  // Called when file system access is requested by the guest content using the
49  // asynchronous HTML5 file system API. The request is plumbed through the
50  // <webview> permission request API. The request will be:
51  // - Allowed if the embedder explicitly allowed it.
52  // - Denied if the embedder explicitly denied.
53  // - Determined by the guest's content settings if the embedder does not
54  // perform an explicit action.
55  // If access was blocked due to the page's content settings,
56  // |blocked_by_policy| should be true, and this function should invoke
57  // OnContentBlocked.
58  virtual void FileSystemAccessedAsync(
59      int render_process_id,
60      int render_frame_id,
61      int request_id,
62      const GURL& url,
63      bool blocked_by_policy) {}
64
65  // Called when file system access is requested by the guest content using the
66  // synchronous HTML5 file system API in a worker thread or shared worker. The
67  // request is plumbed through the <webview> permission request API. The
68  // request will be:
69  // - Allowed if the embedder explicitly allowed it.
70  // - Denied if the embedder explicitly denied.
71  // - Determined by the guest's content settings if the embedder does not
72  // perform an explicit action.
73  // If access was blocked due to the page's content settings,
74  // |blocked_by_policy| should be true, and this function should invoke
75  // OnContentBlocked.
76  virtual void FileSystemAccessedSync(
77      int render_process_id,
78      int render_frame_id,
79      const GURL& url,
80      bool blocked_by_policy,
81      IPC::Message* reply_msg) {}
82
83  WebViewPermissionHelper* web_view_permission_helper() const {
84    return web_view_permission_helper_;
85  }
86
87 private:
88  WebViewPermissionHelper* const web_view_permission_helper_;
89
90  DISALLOW_COPY_AND_ASSIGN(WebViewPermissionHelperDelegate);
91};
92
93}  // namespace extensions
94
95#endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIWE_PERMISSION_HELPER_DELEGATE_H_
96